Keiichi Fujinuma

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Input apparatus, information terminal apparatus, and mode switching...
- Patent number 7,791,587
- Issue date Sep 7, 2010
- Sony Corporation
- Ichiro Kosugi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic apparatus and authenticating method
- Patent number 7,711,961
- Issue date May 4, 2010
- Sony Corporation
- Keiichi Fujinuma
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Recording system, information processing apparatus, storage apparat...
- Publication number 20090089593
- Publication date Apr 2, 2009
- SONY CORPORATION
- Hiroshi Kuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic apparatus and authenticating method
- Publication number 20050071647
- Publication date Mar 31, 2005
- SONY CORPORATION
- Keiichi Fujinuma
- G06 - COMPUTING CALCULATING COUNTING